Each of the Following Statements About Adrenal Cortical Steroid Hormones

question 122

Multiple Choice

Each of the following statements about adrenal cortical steroid hormones is correct EXCEPT which one?

• A) The formation of pregnenolone from cholesterol is a rate controlling step in adrenal steroid hormone synthesis.
• B) The reactions which lead to the formation of pregnenolone from cholesterol take place in mitochondria.
• C) Progesterone is formed from pregnenolone through a series of hydroxylation reactions which require NADPH.
• D) Progesterone is a precursor for aldosterone.
• E) Adrenocorticotropic hormone (ACTH) stimulates the conversion of cholesterol to pregnenolone through mechanisms involving cyclic AMP.

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Definitions:

Monopolistic Competition

A market structure characterized by many firms selling products that are similar but not identical, allowing for significant influence over pricing.

Product Differentiation

The process of distinguishing a product or service from others, to make it more attractive to a particular target market.

MC = P

A formula indicating that in perfect competition, the price (P) is equal to the marginal cost (MC) of producing an additional unit.

Economic Profits

The variance between complete earnings and aggregate expenses, taking into account both overt and covert costs.